John I of Hainaut

Count of Hainaut and Count of Holland and Zeeland (1247-1304) (1247–1304)

Parents

• John I, Count of Hainaut
• Adelaide of Holland

Children

• Simon Heer van Bruelis
• Isabelle of Avesnes
• Jan van Oostervant
• Aleida de Hainaut
• John of Beaumont
• Alice of Hainault
• Willem Cuser
• William I, Count of Hainaut
• Marguerite d'Avesnes
• Mary of Avesnes

Siblings

• Guy of Avesnes
• Florent of Hainaut
• Willem van Avesnes
• Bouchard d'Avesnes

Partners

• Philippa of Luxembourg
• Ymsoete (?)